# Twilio: SMS Delivery Delays and Failures from a Subset of Twilio Short Codes to Cellularone United States

> Twilio status incident “SMS Delivery Delays and Failures from a Subset of Twilio Short Codes to Cellularone United States” on 2026-05-03: impact minor (vendor’s label), 7.5 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/twilio/incidents/s9prxyn64dd1
Last updated: 2026-05-04T06:58:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-05-03 23:29 UTC · Resolved: 2026-05-04 06:58 UTC · Duration: 7.5 h
- Updates: 1
- [Vendor status page: https://status.twilio.com/incidents/s9prxyn64dd1](https://status.twilio.com/incidents/s9prxyn64dd1)
- [Company: Twilio](https://rewindex.com/company/twilio.md)

## Timeline of updates

- **resolved** 2026-05-04 06:58 UTC: The incident has been resolved and SMS delivery from a subset of Twilio Short Codes to Cellularone network subscribers in the United States is operating normally.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: minor) posted by Twilio, started 2026-05-03 23:29 UTC, resolved after 7.5 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/twilio/incidents/s9prxyn64dd1
- Citation: Twilio, “SMS Delivery Delays and Failures from a Subset of Twilio Short Codes to Cellularone United States” (2026-05-03 23:29 UTC). Archived by Rewindex: https://rewindex.com/company/twilio/incidents/s9prxyn64dd1 (CC BY 4.0).
- Markdown link: `[Twilio: SMS Delivery Delays and Failures from a Subset of Twilio Short Codes to Cellularone United States (2026-05-03)](https://rewindex.com/company/twilio/incidents/s9prxyn64dd1)`


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Canonical: https://rewindex.com/company/twilio/incidents/s9prxyn64dd1 · Markdown: https://rewindex.com/company/twilio/incidents/s9prxyn64dd1.md · JSON: https://rewindex.com/api/v1/companies/twilio/incidents/s9prxyn64dd1 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T14:56:21.575Z